What makes it really interesting is that Nokia is using GNOME on its Linux devices, and Trolltech co-founder Eirik Chambe-Eng said: "It is possible to use Qt together with Gnome — KDE applications fit well into that scenario. Very few people are aware that KDE and Gnome are very compatible".

Having two toolkits the size of GTK and Qt loaded into a small device would be quite an overhead though.

Returning to Melbourne, Bruce Schneier kicked off the conference with the quote: "When security companies give you cost justifications, they're complete bullshit" . If only he'd just say what he really meant.

Torvalds said: "Now we have an infrastructure in place ... we have the tools to measure power and notice when the power is higher and why that is — which is pretty important. Before, it used to be a black box".